Article continues below advertisementMelania Trump has left her modeling days behind.While employees for Vanity Fair reportedly threatened to quit their jobs amid the potential of the first lady of the United States starring on the magazine's front cover, staffers apparently had nothing to worry about - as Mrs. Trump was allegedly quick to reject the publication's request for a feature anyway.According to a fashion source with knowledge of the former model's thinking, Melania "laughed" at Vanity Fair's request in July and shut it down immediately.